BALANCING EQUATIONS

____ BaS + ____ PtF2 ____ BaF2 + ____ PtS

•All balanced!!

____ HCN + ____ CuSO4 ____ H2SO4 + ____ Cu(CN)2

2 HCN + CuSO4 H2SO4 + Cu(CN)2

____ P4 + ____ O2 ____ P2O3

P4 + 3 O2 2 P2O3

____ Na3PO4 + ____ KOH ____ NaOH + ____ K3PO4

Na3PO4 + 3 KOH 3 NaOH + K3PO4

____ AlBr3 + ____ K2SO4 ____ KBr + ____ Al2(SO4)3

2 AlBr3 + 3 K2SO4 6 KBr + 1 Al2(SO4)3

Aluminum chloride and bromine gas are formed when aluminum bromide and chlorine gas react.

2 AlBr3 + 3 Cl2 2 AlCl3 + 3 Br2

Copper and sulfuric acid react to form copper (II) sulfate and water and sulfur dioxide.

Cu + 2 H2SO4 CuSO4 + 2 H2O + SO2

Potassium metal and chlorine gas combine to form potassium chloride.

2 K + Cl2 2 KCl

phosphorus + oxygen diphosphorous pentoxide

4P +5O22P2O5

zinc chloride + phosphoric acid zinc phosphate + hydrogen chloride 3 ZnCl2 + 2 H3PO4 Zn3(PO4)2 + 6 HCl